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Scala: List[Future] to Future[List] disregarding failed futures
I'm looking for a way to convert an arbitrary length list of Futures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) ...
How to export collection to CSV in MongoDB?
How do you export all the records in a MongoDB collection to a .csv file?
11 Answers
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Are list-comprehensions and functional functions faster than “for loops”?
In terms of performance in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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How do I get the find command to print out the file size with the file name?
If I issue the find command as follows:
15 Answers
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Reordering of commits
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The command you're looking for is git rebase, specifically the -i/--interactive option.
I'm going to assume you want to leave commit c on branch A, and that you really do mean you want to move the other commits to the other branches, rather than mergi...
PHP passing $_GET in linux command prompt
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Typically, for passing arguments to a command line script, you will use either argv global variable or getopt:
// bash command:
// php -e myscript.php hello
echo $argv[1]; // prints hello
// bash command:
// php -e myscript.php -f...
What does |= (ior) do in Python?
Google won't let me search |= so I'm having trouble finding relevant documentation. Anybody know?
8 Answers
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How can I remove the extension of a filename in a shell script?
What's wrong with the following code?
12 Answers
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Setting custom UITableViewCells height
...is one label in the cell whose text is a NSString object and the length of string could be variable. Due to this, I cannot set a constant height to the cell in the UITableView 's heightForCellAtIndex method. The cell's height depends on the label's height which can be determined using the NSSt...
How do I check if file exists in Makefile so I can delete it?
In the clean section of my Makefile I am trying to check if the file exists before deleting permanently. I use this code but I receive errors.
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